page {
  height: 100%;
}
.top{
  display: flex;

  align-items: center;
  justify-content: space-between;
}
.item{
 
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.card{
  border-radius: 20rpx;
  margin: 20rpx;
  
}
.bottom{
  margin-top: 20rpx;
}
.bitem{

  margin: 20rpx;
  display: flex;
  align-items: center;
}
.core{
  font-size: 30rpx;
}

.tip{
  font-size: 25rpx;
  color: #b4b4b4;
}